The vascular aspects of head injuries / Hugh Cairns.

  • Hugh Cairns
Date:
1942
Catalogue details

Licence: Public Domain Mark

Credit: The vascular aspects of head injuries / Hugh Cairns. Source: Wellcome Collection.

    30/40 page 402
    in the medial and inferior wall of the most distal part of the cavernous portion of the artery in the concavity of its last bend, and measured 0.25 cm. in diameter; it opened both 'into the sac and into the caver¬ nous sinus. Proximal to the larger hole the interior of the internal carotid artery bad a glistening wall, but distal to this hole the arterial wall had a finely granular appearance and its lumen was narrowed throughout the whole 1.1 cm. of its intracranial part. The orbital surface of the left frontal lobe was adherent to the roof of the left orbit and showed an area of superficial laceration 6 cm. from before back and up to 3.4 cm. from side to side; and there was also superficial laceration of the posterior 1.3 cms. of the right gyrus rectus (Fig. 12). The Circle of Willis had a normal distribution; but the anterior Fig. 12 communicating artery and the adjacent 0.5 cm. of the left anterior cerebral artery were occluded by soft grey clot (Fig. 12) which protruded slightly into the lumen of the adjacent right anterior cerebral artery, wich was of slightly greater calibre than its fellow. Comment. Until the brain was carefully examined the presence of embolus was quite unsuspected. In the absence of any softening in the area of brain supplied by the anterior ce¬ rebral arteries it may be concluded that the obstruction produced by the embolus occurred shortly before death and that it so altered the blood flow as to raise the pressure in the aneurysmal sac, with resultant fatal epistaxis. /
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